[wp-hackers] Re: IP address verification for trackbacks

[Otto]

On Thu, Aug 14, 2008 at 7:22 PM, Kimmo Suominen <kimmo at global-wire.fi> wrote:
> The web server has to choose the correct certificate for SSL before
> it gets any information from the client (e.g. browser).  Thus you
> cannot use a name-based (i.e. shared IP) virtual host with HTTPS.

Sure you can. Look up TLS-SNI. It's been around for a few years.
http://en.wikipedia.org/wiki/Server_Name_Indication

To do this with Apache:
http://www.outoforder.cc/projects/apache/mod_gnutls

LiteSpeed and nginx also have support for it now.

-Otto